Welcome to your CHT/IAT TGT PCM Practice set-1
This practice set contains 30 question .
Each Question carries 1 mark.
There is a negative marking of 0.25 marks for each wrong response .
1.
If x-by+3=0 , ax+2y-3=0 are consistant and dependant . Then the values of a and b will be respectively
2.
In the binomial distribution the mean of the number of heads in 15 tosses of a coin is
3.
How are the point (3,4) and (2,-6) situated w.r.t the line 3x-4y-8= 0 ?
4.
Two finite sets have m and n elements . The total number of subsets of the first is 56 more than the total number of subsets of the second set. The values of m and n are
5.
If a constant force is applied to mass, it moves with a uniform
6.
Transuranic elements are those which are
7.
The points of trisection of the line segment AB , joining the points (3,-2) and B(-3, 4) are
8.
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of.
9.
The probability of not getting a sum 7 in a single throw with a pair of dice is
10.
An inductance of 2 henry is connected in a D.C. circuit. Then the value of inductive reactance is
11.
Which of the following has the longest wavelength?
12.
The ionic radii of N3-, O2-, F- and Na+ follows the order
13.
Two tubes A and B are in series. Radius of A is R and that of B 2R . If water flows through A with velocity then velocity of water through B is
14.
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is ________
15.
Write 5th term of G.P. is 2, find the product of first 9 terms
16.
The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
17.
Which of the following in case of a discrete data, is not equal to the median
18.
Which method is used in general to obtain metal from its sulphide ore?
19.
. The weight of the body at the earth’s surface is W. At a depth half way to the centre of earth , it will be (assuming uniform density in earth)
20.
Three 4 ohm resistors are connected in the form of an equilateral triangle . The total resistance between any two corners is
21.
. The half-life of a radioactive element is 1580 years . How long will it take to reduce to 1/4th of its original mass ?
22.
The values of observed and calculated molecular weights of silver nitrate are 92.64 and 170 respectively . The degree of dissociation of silver nitrate is
23.
. A wheel with 8 spokes is rotated in a plane normal to the earth’s magnetic field so that an emf of 4 mV is induced between the axel and rim of the wheel. Keeping all other things unchanged, the number of spokes is increased to 16. Now , the emf between the axel and the rim of the wheel is
24.
. A body is released from the top of the tower H metre high. It takes t second to reach the ground. Where is the body t/2 secound after release ?
25.
The difference between two numbers is five and the difference between their squares is 65 . The larger number is
26.
An oxide of metal has 20% oxygen , the eq. wt. of oxide is
27.
A body falls 16 metres in the first second of its motion , 48 metres in the second, 80 metres in the third, 112 metres in the fourth and so on. How far does it fall during the 11th second of its motion.
28.
. A certain volume of water is taken from the surface of a lake to a depth ‘h’ . To calculate the change in its volume, we shall have to take into consideration its
29.
The most commonly used bleaching agent is
30.
The critical velocity for a non-viscous liquid is
Can we see the solutions …after quiz
Please sir provide solutions of numericals